mtg creature enters draw a card Skullmulcher mtg creature enters draw a

Whenever you win a coin flip, this creature deals 1 damage to any target

The not so low casting cost and the fact that it costs two white mana make it impossible to play more than one, but adding one of those to the maindeck has resulted in a big increase of flexibility when it comes to dealing with stuff that has entered the battlefield already

You draw a card for each land card put into a graveyard this way

Under the Sea This card costs eight Ink to play, so it isnt a cheap move but if your opponent has a deck focused on low-cost cards, its ability can completely stop their strategy in its tracks

This comes up in the later stages of a draft, where your two primary colors are well-established